**[Newegg (via eBay)](http://www.passwird.com/links/lWtFcm)** has the 4TB Seagate Expansion USB 3.0 Portable External Hard Drive (STEA4000400) for **$104.99** with free shipping. Features: Bus-powered — no external power brick required.

Next lowest price on [Google Products](http://www.passwird.com/links/A8MnXC) is $119.99.